Brazil’s Amazon has burned this badly before. This year’s fires are still bad
The Amazon rainforest in Brazil is being ravaged by fire. More than 74,000 fires have burned in the country since January, according to the country’s National Institute for Space Research — with 9,500...
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Nepal is reeling from an unprecedented dengue outbreak
KATHMANDU, Nepal — When mosquito season brought past dengue outbreaks to regions across the Asian tropics, Nepal hardly had to worry. The high-altitude Himalayan country was typically too chilly for...
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Most Americans now see signs of climate change where they live
Amid deadly wildfires in California and increased flooding along the U.S. East Coast in 2019, most Americans say the effects of climate change are already upon us — and that the U.S. government isn’t...
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Noise pollution from ships may scare Arctic cod from feeding grounds
The noise of shipping vessels traveling through northern Canadian waters is causing Arctic cod to sacrifice much of their foraging and feeding in order to flee the area until ships move away,...
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Hitchhiking oxpeckers warn endangered rhinos when people are nearby
Red-billed oxpeckers hitching rides on the backs of black rhinos are a common sight in the African bush. The birds are best known for feeding from lesions full of ticks or other parasites on a rhino’s...
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Tapirs may be key to reviving the Amazon. All they need to do is poop
Beneath the viridescent understory of the Brazilian Amazon, ecologist Lucas Paolucci has been honing his skills for hunting tapir dung. In this region’s degraded rain forests, he sees the piglike...
View ArticleLarge-scale changes in Earth’s climate may originate in the Pacific
The retreat of North America’s ice sheets in the latter years of the last ice age may have begun with “catastrophic” losses of ice into the North Pacific Ocean along the coast of modern-day British...
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Polar bears sometimes bludgeon walruses to death with stones or ice
Walruses, weighing as much as 1,300 kilograms with huge tusks and nearly impenetrable skulls, are almost impossible for a hungry polar bear to kill. But new research suggests that some polar bears...
View ArticleHow AI can help forecast how much Arctic sea ice will shrink
In the next week or so, the sea ice floating atop the Arctic Ocean will shrink to its smallest size this year, as summer-warmed waters eat away at the ice’s submerged edges. Record lows for sea ice...
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